<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">

<head>
    <meta
        http-equiv="Content-Type"
        content="text/html; charset=utf-8"
    />
    <title>添加山丘-添加村庄</title>

    <style>
        html,
        body {
            overflow: hidden;
            width: 100%;
            height: 100%;
            margin: 0;
            padding: 0;
        }

        #renderCanvas {
            width: 100%;
            height: 100%;
            touch-action: none;
        }
    </style>

    <script src="https://cdn.babylonjs.com/babylon.js"></script>
    <!-- 允许您将模型导入到场景中 -->
    <script src="https://cdn.babylonjs.com/loaders/babylonjs.loaders.min.js"></script>
    <!-- 允许您使用触摸屏 -->
    <script src="https://code.jquery.com/pep/0.4.3/pep.js"></script>
    <!-- earcut算法 -->
    <script src="../../src/earcut.js"></script>
</head>

<body>
    <canvas
        id="renderCanvas"
        touch-action="none"
    ></canvas>
    <!-- 注意browseatouch-action="none"以获得PEPr/canvas调整大小事件的最佳效果 -->


    <script>
        const canvas = document.getElementById("renderCanvas"); //获取canvas元素
        const engine = new BABYLON.Engine(canvas, true); // Generate the BABYLON 3D engine

        //在这里添加与playground格式匹配的代码
        const createScene = function () {
            const scene = new BABYLON.Scene(engine);
            /**** Set camera and light *****/
            const camera = new BABYLON.ArcRotateCamera("camera", -Math.PI / 2, Math.PI / 2.5, 200, new BABYLON.Vector3(0, 0, 0));
            camera.attachControl(canvas, true);
            const light = new BABYLON.HemisphericLight("light", new BABYLON.Vector3(2, 1, 0));

            // ground材质创建
            const groundMat = new BABYLON.StandardMaterial("groundMat");
            groundMat.diffuseTexture = new BABYLON.Texture("https://assets.babylonjs.com/environments/villagegreen.png");
            groundMat.diffuseTexture.hasAlpha = true;

            const ground = BABYLON.MeshBuilder.CreateGround("ground", { width: 24, height: 24 });
            ground.material = groundMat;

            // largeGround材质创建
            const largeGroundMat = new BABYLON.StandardMaterial("largeGroundMat");
            largeGroundMat.diffuseTexture = new BABYLON.Texture(
                "https://assets.babylonjs.com/environments/valleygrass.png"
            );
            const largeGround = BABYLON.MeshBuilder.CreateGroundFromHeightMap(
                "largeGround",
                "../../src/imgs/villageheightmap.png",
                {
                    width: 150,
                    height: 150,
                    subdivisions: 60,
                    minHeight: 0,
                    maxHeight: 10
                }
            );
            largeGround.material = largeGroundMat;
            largeGround.position.y = -0.01;//确保两个接地不会发生冲突并引起闪烁。

            // 导入村庄
            BABYLON.SceneLoader.ImportMeshAsync("", "../../src/models/", "scene.glb").then((res) => {
                console.log(res);
                const villageGround = res.meshes[1];
                villageGround.position.y = -0.03;
            });

            // 导入汽车，添加动画
            BABYLON.SceneLoader.ImportMeshAsync("", "https://assets.babylonjs.com/meshes/", "car.glb").then(() => {
                const car = scene.getMeshByName("car");
                car.rotation = new BABYLON.Vector3(Math.PI / 2, 0, -Math.PI / 2);
                car.position.y = 0.16;
                car.position.x = -3;
                car.position.z = 8;

                const animCar = new BABYLON.Animation("carAnimation", "position.z",
                    30, BABYLON.Animation.ANIMATIONTYPE_FLOAT, BABYLON.Animation.ANIMATIONLOOPMODE_CYCLE);

                const carKeys = [];

                carKeys.push({
                    frame: 0,
                    value: 10
                });


                carKeys.push({
                    frame: 200,
                    value: -15
                });

                animCar.setKeys(carKeys);

                car.animations = [];
                car.animations.push(animCar);

                scene.beginAnimation(car, 0, 200, true);

                //wheel animation
                const wheelRB = scene.getMeshByName("wheelRB");
                const wheelRF = scene.getMeshByName("wheelRF");
                const wheelLB = scene.getMeshByName("wheelLB");
                const wheelLF = scene.getMeshByName("wheelLF");

                scene.beginAnimation(wheelRB, 0, 30, true);
                scene.beginAnimation(wheelRF, 0, 30, true);
                scene.beginAnimation(wheelLB, 0, 30, true);
                scene.beginAnimation(wheelLF, 0, 30, true);
            });


            return scene;

        }
        const scene = createScene(); //调用createScene函数

        //注册一个渲染循环来重复渲染场景
        engine.runRenderLoop(function () {
            scene.render();
        });

        // 注意浏览器、画布大小调整事件
        window.addEventListener("resize", function () {
            engine.resize();
        });
    </script>
</body>

</html>